Fluid heat transfer device having multiple counter flow circuits of temperature difference with periodic flow directional change

ABSTRACT

The present invention discloses that the fluids of temperature difference are transported in counter flow directions on the same end sides of the first transfer pipe and second transfer pipe being in parallel or quasi-parallel arrangement thus allowing the thermal conducting fluid to perform heat absorbing or heat dissipating functions onto the fluid heat transfer device ( 100 ) or passively heat dissipation or absorption receiving article or space ( 200 ) thereby forming the more uniform temperature distribution status.

BACKGROUND OF THE INVENTION

(a) Field of the Invention

The present invention discloses a device having multiple piping to passthrough thermal conducting fluid simultaneously in counter flowdirections and performing periodic flow directional changesimultaneously as the heat absorbing or dissipating body, which isparallel or quasi-parallel installed with the first fluid piping of atleast one circuit and the second fluid piping of at least one circuit,wherein said first fluid piping and second fluid piping is configured tosimultaneously transport the thermal conducting fluids constituted bygaseous or liquid state fluid, gaseous to liquid state fluid or liquidto gaseous state fluid of temperature difference to passively heatdissipation or absorption receiving article or space in counter flowdirections to produce heat absorbing or dissipating function onto thepassively heat dissipation or absorption receiving article or spacethereby forming a more uniform temperature distribution status on thepassively heat dissipation or absorption receiving article or space, andit is further through the periodic fluid direction-change operativecontrol device to perform the periodic flow directional change controlonto the power source driven bidirectional fluid pumping device tosimultaneously periodically change the flow directions of the fluidsinside the two counter flow piping while still maintaining thetransported fluid at mutual counter flow status.

(b) Description of the Prior Art

For the conventional heat absorbing or dissipating application devicesby passing thermal conducting fluid through the gaseous or liquid statefluid, gaseous to liquid state fluid, or liquid to gaseous state fluidof the heat absorbing or dissipating body, such as engine cooling waterradiators, heat absorbing cooling energy discharge devices utilizingthermal conducting fluid, or heat dissipating warming energy dischargedevices such as warming devices, heaters, or the warming energy transferdevice, etc., since the flow direction of the thermal conducting fluidis fixed, larger temperature difference is formed at each position onthe heat absorbing or dissipating body of the thermal conducting fluid.

SUMMARY OF THE INVENTION

The present invention discloses that the conventional application deviceby transporting the thermal conducting fluid in fixed flowing directionto pass through the heat absorbing or dissipating body for generatingheat absorption or heat dissipation is improved to the first fluidpiping and second fluid piping in parallel or quasi-parallelarrangement, wherein said first and second fluid piping is configured tosimultaneously transport the thermal conducting fluids constituted bygaseous or liquid state fluid, gaseous to liquid state fluid or liquidto gaseous state fluid of temperature difference to form a more uniformtemperature distribution status on the passively heat dissipation orabsorption receiving article or space when transporting thermalconducting fluid to operate heat absorption or heat dissipationfunction, and it is further through the periodic fluid direction-changeoperative control device (250) to perform the periodic flow directionalchange control onto the power source (300) driven bidirectional fluidpumping device (123) to simultaneously periodically change the flowdirections of the fluids inside the two counter flow piping while stillmaintaining the transported fluid at mutual counter flow status.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic view showing the main structure of theconventional heat absorbing or dissipating device being passed throughby the thermal conducting fluid including the heat absorbing ordissipating gaseous or liquid state fluid, or gaseous to liquid statefluid, or liquid to gaseous fluid in fixed flow direction.

FIG. 2 is a temperature difference distribution diagram of FIG. 1 beingoperated in heat absorbing cooling energy discharge device operationalfunction.

FIG. 3 is a temperature difference distribution diagram of FIG. 1 beingoperated in heat dissipating warming energy discharge device function.

FIG. 4 is a schematic view showing the main structure of the fluid heattransfer device having multiple counter flow circuits of temperaturedifference with periodic flow directional change of the presentinvention being installed the bidirectional flow pumping device.

FIG. 5 is a main structural schematic view showing that the structureshown in FIG. 4 is installed with the temperature detecting device onone end thereof.

FIG. 6 is a main structural schematic view showing that the structureshown in FIG. 4 is installed with the temperature detecting devices onthe two ends thereof.

FIG. 7 is a schematic view of the embodiment of the present inventionshowing that at least one fluid pump capable of bidirectional fluidpumping is installed between either one end of the common fluidinlet/outlet ports of first fluid piping and second fluid piping and thefluid source.

FIG. 8 is a schematic view of the embodiment showing that at least twofluid pumps capable of bidirectional fluid pumping constituting thebidirectional fluid pumping device are respectively installed betweenthe fluid source and any one of the common fluid inlet/outlet ports atthe two ends of the first fluid piping and second fluid piping.

FIG. 9 is a schematic view of the embodiment of the present inventionshowing that at least two fluid pumps capable of bidirectional fluidpumping are respectively installed to the fluid inlet/outlet ports atone end of the first fluid piping and second fluid piping forperiodically alternatively exchanging the fluid flow directions.

FIG. 10 is a schematic view of the embodiment showing that the presentinvention is installed with the bidirectional fluid pumping deviceconstituted by at least two unidirectional fluid pumps in different flowdirections being installed to both or either one of the two fluidinlet/outlet ports for external fluid input/output.

FIG. 11 is a schematic view of the embodiment showing that the presentinvention comprises at least four unidirectional fluid pumps: two areunidirectional fluid pumps in positive flow directions, and two areunidirectional fluid pumps in reverse flow directions, wherein oneunidirectional fluid pump in positive flow direction and oneunidirectional fluid pump in reverse flow direction being seriesconnected are further series connected in the middle section of thefirst fluid piping, while the other unidirectional fluid pump inpositive flow direction and the other unidirectional fluid pump inreverse flow direction being series connected are further seriesconnected in the middle section of the second fluid piping.

FIG. 12 is a schematic view of the embodiment showing that the presentinvention is installed with at least two unidirectional fluid pumps indifferent flow directions being parallel connected to constitute thebidirectional fluid pumping device in parallel connection are installedto both or either one of the two fluid inlet/outlet ports for externalfluid input/output of the fluid heat transfer device having multiplecounter flow circuits of temperature difference with periodic flowdirectional change.

FIG. 13 is a schematic view of the embodiment showing that the presentinvention comprises at least four unidirectional fluid pumps: two areunidirectional fluid pumps in positive flow directions, and two areunidirectional fluid pumps in reverse flow directions, wherein oneunidirectional fluid pump in positive flow direction and oneunidirectional fluid pump in reverse flow direction being parallelconnected are further series connected in the middle section of thefirst fluid piping, while the other unidirectional fluid pump inpositive flow direction and the other unidirectional fluid pump inreverse flow direction being parallel connected are further seriesconnected in the middle section of the second fluid piping.

FIG. 14 is a schematic view of the embodiment showing that the presentinvention is installed with at least one unidirectional fluid pumpingdevice and four fluid valves capable of switching operative control inbridge type assembly to the fluid inlet/outlet ports of the fluid heattransfer device having multiple counter flow circuits of temperaturedifference with periodic flow directional change for external fluidinput/output.

DESCRIPTION OF MAIN COMPONENT SYMBOLS

-   11: Temperature detecting device-   100: Fluid heat transfer device-   101: First fluid piping-   102: Second fluid piping-   110: Thermal conducting fluid-   111, 112: First fluid piping port-   120, 120′: Unidirectional fluid pump-   121, 122: Second fluid piping port-   123: Bidirectional fluid pumping device-   124, 124′: Bidirectional fluid pump-   126, 126′: Unidirectional valve-   129, 129′: Fluid valve-   131, 132: Common fluid inlet/outlet port-   200: Passively heat dissipation or absorption receiving solid,    colloidal, liquid or gaseous state article or space-   250: Periodic fluid direction-change operative control device-   300: Power source

DETAILED DESCRIPTION OF THE PREFERED EMBODIMENTS

FIG. 1 is a schematic view showing the main structure of theconventional heat absorbing or dissipating device being passed throughby the thermal conducting fluid including the heat absorbing ordissipating gaseous or liquid state fluid, or gaseous to liquid statefluid, or liquid to gaseous fluid in fixed flow direction; as shown inFIG. 1, the conventional heat absorbing or dissipating device assemblyconstituted by combining the thermal conducting fluid (110) includinggaseous or liquid state fluid, or gaseous to liquid state fluid, orliquid to gaseous fluid being conveyed to pass through first fluidpiping (101) in fixed flow direction with the fluid heat transfer device(100) is provided for 1) the thermal conducting fluid (110) passingthrough first fluid piping (101) is through the fluid heat transferdevice (100) to perform cooling or heating functions onto the passivelyheat dissipating or absorbing receiving solid, colloidal, liquid orgaseous state article or space (200); or 2) the thermal conducting fluid(110) passing through first fluid piping (101) reversely receive thesurrounding cooling or thermal energy of the warm energy fluid heattransfer device (100) for cooling or heating functions; said item 1) isoften applied in engine cooling water radiators, heat absorbing coolingenergy discharge devices utilizing thermal conducting fluid (110), orheat dissipating warming energy discharge devices utilizing thermalconducting fluid (110) such as warming devices, heaters, evaporators,condensers, or the cooling or warming energy transfer device, etc.,wherein the latter item 2) is often applied in cooling or warming energytransfer devices; in the application of item 1), the defects are thatthermal conducting fluid (110) is input via the inlet of first fluidpiping (101) at one end of the fluid heat transfer device (100) andoutput via another end of the fluid heat transfer device (100) therebyforming a larger temperature difference between the ones of thermalconducting fluids (110) at the inlet and outlet of first fluid piping(101), and similarly in item 2) application, forming a largertemperature difference between the ones of thermal conducting fluids(110) at the inlet and outlet of first fluid piping (101).

FIG. 2 is a temperature difference distribution diagram of FIG. 1 beingoperated in heat absorbing cooling energy discharge device operationalfunction; FIG. 2 shows the conventional unidirectional flow path layoutof the thermal conducting fluid (110) in fixed flow direction beingoperated for heat release as shown in FIG. 1, wherein the distributionstatus of larger temperature difference is formed between the ones ofthermal conducting fluids (110) passing through first fluid piping (101)at the inlet and outlet of fluid heat transfer device (100).

FIG. 3 is a temperature difference distribution diagram of FIG. 1 beingoperated in heat dissipating warming energy discharge device function;FIG. 3 shows that the thermal conducting fluid (110) in fixed flowdirection as shown in FIG. 1 being operated in conventional heatabsorbing cooling energy discharge function appears in unidirectionalflow path distribution thereby forming a larger temperature differencedistribution status between the ones of thermal conducting fluid (110)passing through first fluid piping (101) at the inlet and outlet offluid heat transfer device (100).

Aiming to above said phenomenon, the present invention innovativelydiscloses a fluid heat transfer device having multiple counter flowcircuits of temperature difference with periodic flow directional changeby passing thermal conducting fluid to produce heat absorbing ordissipating functions onto the article or space for passively receivingheat absorption or dissipation so as to form a more uniformedtemperature distribution status on the heat absorbing or dissipatingbody.

FIG. 4 is a schematic view showing the main structure of the fluid heattransfer device having multiple counter flow circuits of temperaturedifference with periodic flow directional change of the presentinvention; the main assembly structure of the fluid heat transfer devicehaving multiple counter flow circuits of temperature difference withperiodic flow directional change mainly comprises the following:

The fluid heat transfer device (100): It is the heat absorbing ordissipating structural body made of solid, colloidal, liquid or gaseousstate thermal conductive material for receiving the thermal energy ofthermal conducting fluid (110) including gaseous or liquid state fluid,gaseous to liquid state fluid, or liquid to gaseous state fluid insidefirst fluid piping (101) and second fluid piping (102) being combinedwith the structure so as to perform heat absorbing cooling energydischarge operating function or heat dissipating warming energydischarge operating function onto the passively heat dissipation orabsorption receiving solid, colloidal, liquid or gaseous state articleor space (200), wherein the number of the fluid heat transfer device(100) can be one or more than one;

The first fluid piping (101), the second fluid piping (102): It is madeof good thermal conductive material for reversely transporting thethermal conducting fluid (110) constituted by gaseous or liquid stateliquid, gaseous to liquid state fluid, or liquid to gaseous state fluidfor transferring warming energy to fluid heat transfer device (100)being made of solid, colloidal, liquid or gaseous state thermalconductive material, wherein the first fluid piping (101) and secondfluid piping (102) can be respectively constituted by one or more thanone circuits;

The fluid port (111) of aforesaid first fluid piping (101) and the fluidport (121) of aforesaid second fluid piping (102) are parallel connectedand further interconnected with the common fluid inlet/outlet port (131)for receiving the inlet/outlet flow of thermal conducting fluid (110)being pumped by bidirectional fluid pumping device (123) from the fluidsource; while the fluid port (112) of first fluid piping (101) and thefluid port (122) of second fluid piping (102) are parallel connected andfurther interconnected with common fluid inlet/outlet port (132) forreceiving the inlet/outlet flow of thermal conducting fluid (110) beingpumped by bidirectional fluid pumping device (123) from the fluidsource;

Said first fluid piping (101) and second fluid piping (102) being inparallel or quasi-parallel arrangement are distributingly installed onthe fluid heat transfer device in plane or 3D shape, wherein it ischaracterized as that the first fluid piping port (111) and the secondfluid piping port (122) are made neighboring to each other at a positionon the fluid heat transfer device (100), while the first fluid pipingport (112) and the second fluid piping port (121) are made neighboringto each other at another position on the fluid heat transfer device(100), wherein the first fluid piping (101) and second fluid piping(102) being installed on the fluid heat transfer device (100) are madeto respectively reversely transporting the thermal conducting fluid(110) in two flow circuits to commonly provide a more uniformtemperature difference distribution on the fluid heat transfer device(100) so as to perform heat absorption or dissipation onto the passivelyheat dissipation or absorption receiving solid, colloidal, liquid orgaseous state article or space (200); wherein its main characteristic isto further install the bidirectional fluid pumping device (123) capableof pumping in positive and reverse flow directions, thereby through thepower source (300) to drive the bidirectional fluid pumping device (123)by the periodic fluid direction-change operative control device (250) toperiodically change the pumping flow direction of the fluid whilemaintaining the two flow circuits in different flow directions to passthrough the first fluid piping (101) and the second fluid piping (102)in counter flow directions; wherein:

The bidirectional fluid pumping device (123): The bidirectional fluidpumping device is constituted by the fluid pump capable of producingpositive pressure to push fluid, or producing negative pressure toattract fluid for pumping the gaseous or liquid state fluid, wherein thebidirectional fluid pumping device (123) is driven by the power of thepower source (300) and operatively controlled by the periodic fluiddirection-change operative control device (250) to pump the fluid indifferent flow directions, while the flow directions of the two fluidcircuits are periodically exchanged during the operation.

The said pumping includes: 1) to produce negative pressure for pumpingfluids, or 2) to produce positive pressure for attracting fluids, or 3)to simultaneously produce negative pressure at the outlet port forpumping fluid and positive pressure at inlet port for auxiliary pumpingfluid;

The power source (300): The device which provides the operating powersource, including AC or DC city power system or standalone electricpower supplying devices;

The periodic fluid direction-change operative control device (250): Itis constituted by electromechanical components, solid state electroniccomponents, or microprocessors and related software and operativecontrol interfaces to operatively control the bidirectional fluidpumping device (123) for periodically changing the flow directions ofthe two fluids passing through fluid heat transfer device (100) indifferent flow directions thereby operatively controlling thetemperature difference distribution status between the fluid and fluidheat transfer device (100);

The timings for periodic fluid directional change are: 1) the pumpingflow direction of the bidirectional fluid pumping device (123) ismanually operatively controlled; or 2) the direction-change time periodis set by the periodic fluid direction-change operative control device(250) to operatively control the pumping flow direction of bidirectionalfluid pumping device (123);

The bidirectional fluid pumping device (123) and the fluid heat transferdevice (100) of the fluid heat transfer device having multiple counterflow circuits of temperature difference with periodic flow directionalchange of the present invention are constructed to an integral structureor in the separated structures;

As shown in FIG. 4, for the fluid heat transfer device having multiplecounter flow circuits of temperature difference with periodic flowdirectional change, the temperature detecting device (11) can be furtheroptionally installed at one or more than one places on the fluid heattransfer device (100) so as to provide the detected temperature value asa reference for operative control the periodic flow directional changetiming of the fluid, as well as the bidirectional fluid pumping device(123) capable of positive and reverse flow directional pumping can beinstalled, thereby being driven by power source (300) and operativelycontrolled by periodic fluid direction-change operative control device(250) to perform one or more than one functional operations of thefollowing, including: 1) the pumping flow direction of the fluid isperiodically changed, while the fluid of the two flow circuits aremaintained in different flow directions to pass through the first fluidpiping (101) and the second fluid piping (102) in counter flowdirections; or 2) the flow rate of the pumping fluid is furtheroperatively controlled.

FIG. 5 is a main structural schematic view showing that the structureshown in FIG. 4 is installed with the temperature detecting device onone end thereof.

FIG. 6 is a main structural schematic view showing that the structureshown in FIG. 4 is installed with the temperature detecting devices onthe two ends thereof.

The timings for periodic fluid directional change are: 1) the pumpingflow direction of the bidirectional fluid pumping device (123) ismanually operatively controlled; or 2) the direction-change time periodis set by periodic fluid direction-change operative control device (250)according to set time period or set time period by referring totemperature variation to operatively control the pumping flow directionof bidirectional fluid pumping device (123); or 3) the temperature valuedetected by temperature detecting device (11) installed on the fluidheat transfer device (100) is used as the reference for operativelycontrolling the timing of periodic flow directional change;

Based on aforesaid functional definitions, the embodiments of thebidirectional fluid pumping device (123) of the fluid heat transferdevice having multiple counter flow circuits of temperature differencewith periodic flow directional change of the present invention areoptionally selected to include but not be limited to one or more thanone of the following structures, including:

-   1. By adopting at least one fluid pump (124) capable of    bidirectional fluid pumping to constitute the function of    bidirectional fluid pumping device (123), wherein it is installed    between either one of the common fluid inlet/outlet ports of first    fluid piping (101) and second fluid piping (102) of the fluid heat    transfer device having multiple counter flow circuits of temperature    difference with periodic flow directional change of the present    invention and the fluid source for operatively controlling the fluid    pump (124) capable of bidirectional fluid pumping for periodic    positive or reverse directional pumping to periodically exchange the    flow directions of the fluids; (such as that FIG. 7 is a schematic    view of the embodiment of the present invention showing that at    least one fluid pump capable of bidirectional fluid pumping is    installed between either one end of the common fluid inlet/outlet    ports of first fluid piping and second fluid piping and the fluid    source);-   2. It is by adopting at least two fluid pumps (124) capable of    bidirectional fluid pumping to constitute the bidirectional fluid    pumping device (123), which are configured to be respectively    installed between the fluid source and any one of the common fluid    inlet/outlet ports of first fluid piping (101) and second fluid    piping (102) for simultaneous auxiliary pumping in the same    direction and for the operation of simultaneous periodic pumping    flow directional change; (such as that FIG. 8 is a schematic view of    the embodiment showing that at least two fluid pumps capable of    bidirectional fluid pumping constituting the bidirectional fluid    pumping device are respectively installed between the fluid source    and any one of the common fluid inlet/outlet ports at the two ends    of the first fluid piping and second fluid piping);-   3. It is by adopting at least two fluid pumps (124) (124′) capable    of bidirectional fluid pumping installed to the respective fluid    inlet/outlet ports at one end of the first fluid piping (101) and    second fluid piping (102) of the fluid heat transfer device having    multiple counter flow circuits of temperature difference with    periodic flow directional change to constitute the function of    bidirectional fluid pumping device (123), wherein the bidirectional    fluid pump (124) and bidirectional fluid pump (124′) for pumping the    fluid from the common fluid source being in positive and reverse    flow directional relationship are operatively controlled by the    periodic fluid direction-change operative control device (250) to    periodically alternatively exchange the fluid flow directions;    wherein the respective fluid inlet/outlet ports at the other end of    aforesaid first fluid piping (101) and second fluid piping (102) are    further installed with at least two bidirectional fluid pumps (124),    (124′) being operatively controlled by the periodic fluid    direction-change operative control device (250) to periodically    alternatively exchange the fluid flow directions while bidirectional    fluid pumps of the same piping are driven in the same flow direction    for auxiliary fluid pumping; (such as that FIG. 9 is a schematic    view of the embodiment of the present invention showing that at    least two fluid pumps capable of bidirectional fluid pumping are    respectively installed to the fluid inlet/outlet ports at one end of    the first fluid piping and second fluid piping for periodically    alternatively exchanging the fluid flow directions);-   4. At least two unidirectional fluid pumps (120) (120′) in different    flow directions being series connected to constitute the function of    bidirectional fluid pumping device (123) are series connected    between both or one of the two fluid inlet/outlet ports for fluid    input/output of the fluid heat transfer device having multiple    counter flow circuits of temperature difference with periodic flow    directional change of the present invention, while pumping flow    directions of the unidirectional fluid pump (120) in positive flow    direction and unidirectional fluid pump (120′) in reverse flow    direction are periodically alternatively exchanged, wherein if flow    directions of the unidirectional fluid pumps (120) (120′) are    irreversible, then each unidirectional fluid pump is respectively    parallel connected with an unidirectional valve (126) in the reverse    flow direction; (such as that FIG. 10 is a schematic view of the    embodiment showing that the present invention is installed with the    bidirectional fluid pumping device constituted by at least two    unidirectional fluid pumps in different flow directions being    installed to both or either one of the two fluid inlet/outlet ports    for external fluid input/output);-   5. At least four unidirectional fluid pumps, two of them are    unidirectional fluid pumps (120) in positive flow directions and two    of them are unidirectional fluid pumps (120′) in reverse flow    directions, wherein one unidirectional fluid pump (120) in positive    flow direction and one unidirectional fluid pump (120′) in reverse    flow direction being series connected to constitute the function of    bidirectional fluid pumping device (123) are series connected in the    middle section of first fluid piping (101), wherein if flow    directions of the unidirectional fluid pumps (120) (120′) are    irreversible, then each unidirectional fluid pump is respectively    parallel connected with an unidirectional valve (126) in the reverse    flow direction;    -   The other unidirectional fluid pump (120) in positive flow        direction and the other unidirectional fluid pump (120′) in        reverse flow direction being series connected to constitute the        function of bidirectional fluid pumping device (123) are series        connected in the middle section of second fluid piping (102),        wherein if flow directions of the unidirectional fluid pumps        (120) (120′) are irreversible, then each unidirectional fluid        pump is respectively parallel connected with an unidirectional        valve (126) in the reverse flow direction, wherein the        unidirectional fluid pump (120) in positive flow direction and        the unidirectional fluid pump (120′) in reverse flow direction        being installed on the first fluid piping and the second fluid        piping in different flow directions are operatively controlled        to allow the unidirectional fluid pumps being installed on first        fluid piping (101) and second fluid piping (102) in different        flow directions to be pumped in different flow directions and to        periodically alternatively exchange the pumping flow directions;        (such as that FIG. 11 is a schematic view of the embodiment        showing that the present invention comprises at least four        unidirectional fluid pumps: two are unidirectional fluid pumps        in positive flow directions, and two are unidirectional fluid        pumps in reverse flow directions, wherein one unidirectional        fluid pump in positive flow direction and one unidirectional        fluid pump in reverse flow direction being series connected are        further series connected in the middle section of the first        fluid piping, while the other unidirectional fluid pump in        positive flow direction and the other unidirectional fluid pump        in reverse flow direction being series connected are further        series connected in the middle section of the second fluid        piping);-   6. At least two unidirectional fluid pumps (120) (120′) in different    flow directions being parallel connected to constitute the function    of bidirectional fluid pumping device (123) in parallel connection    are installed to both or one of the two fluid inlet/outlet ports for    fluid input/output of the fluid heat transfer device having multiple    counter flow circuits of temperature difference with periodic flow    directional change of present invention, while unidirectional fluid    pumps in different flow directions are periodically alternatively    operatively controlled for periodic flow directional pumping,    wherein if the structure of the unidirectional fluid pump has no    anti-reverse flow function, then each unidirectional fluid pump is    respectively forwardly series connected with an unidirectional valve    (126) first and then parallel connected to avoid anti-reverse flow;    (such as that FIG. 12 is a schematic view of the embodiment showing    that the present invention is installed with at least two    unidirectional fluid pumps in different flow directions being    parallel connected to constitute the bidirectional fluid pumping    device in parallel connection are installed to both or either one of    the two fluid inlet/outlet ports for external fluid input/output of    the fluid heat transfer device having multiple counter flow circuits    of temperature difference with periodic flow directional change);-   7. At least four unidirectional fluid pumps, two of them are    unidirectional fluid pumps (120) in positive flow directions and two    of them are unidirectional fluid pumps (120′) in reverse flow    directions, wherein one unidirectional fluid pump (120) in positive    flow direction and one unidirectional fluid pump (120′) in reverse    flow direction being parallel connected to constitute the function    of bidirectional fluid pumping device (123) are series connected in    the middle section of first fluid piping (101), wherein if the    structure of the unidirectional fluid pump has no anti-reverse flow    function, then each unidirectional fluid pump is respectively series    connected with an unidirectional valve (126) and then parallel    connected to avoid reverse flow;    -   The other unidirectional fluid pump (120) in positive flow        direction and the other unidirectional fluid pump (120′) in        reverse flow direction being installed in the middle section of        second fluid piping (102), wherein if the structure of the        unidirectional fluid pump has no anti-reverse flow function,        then each unidirectional fluid pump is respectively series        connected with an unidirectional valve (126) and then further        parallel connected to avoid reverse flow, wherein the        unidirectional fluid pump (120) in positive flow direction and        the unidirectional fluid pump (120′) in reverse flow direction        being installed on the first fluid piping (101) and second fluid        piping (102) in different flow directions are operatively        controlled to allow the unidirectional fluid pumps being        installed on first fluid piping (101) and second fluid piping        (102) in different flow directions to be pumped in different        flow directions and to periodically alternatively exchange the        pumping flow directions; (Such as that FIG. 13 is a schematic        view of the embodiment showing that the present invention        comprises at least four unidirectional fluid pumps: two are        unidirectional fluid pumps in positive flow directions, and two        are unidirectional fluid pumps in reverse flow directions,        wherein one unidirectional fluid pump in positive flow direction        and one unidirectional fluid pump in reverse flow direction        being parallel connected are further series connected in the        middle section of the first fluid piping, while the other        unidirectional fluid pump in positive flow direction and the        other unidirectional fluid pump in reverse flow direction being        parallel connected are further series connected in the middle        section of the second fluid piping);-   8. The bidirectional fluid pumping device (123) constituted by at    least one unidirectional fluid pump (120) and four fluid valves    capable of switching operative control in bridge type assembly    including two fluid valves (129) and two fluid valves (129′) are    installed to the fluid ports for external fluid input/output of    fluid heat transfer device having multiple counter flow circuits of    temperature difference with periodic flow directional change of the    present invention, wherein during the operation of the    unidirectional fluid pump, the two fluid valves (129) are    operatively controlled to be opened or closed, while the other two    fluid valves (129′) are operatively controlled to be closed or    opened thereby exchanging the fluid flow directions periodically;    (such as that FIG. 14 is a schematic view of the embodiment showing    that the present invention is installed with at least one    unidirectional fluid pumping device and four fluid valves capable of    switching operative control in bridge type assembly to the fluid    inlet/outlet ports of the fluid heat transfer device having multiple    counter flow circuits of temperature difference with periodic flow    directional change for external fluid input/output).

In the applications of fluid heat transfer device having multiplecounter flow circuits of temperature difference with periodic flowdirectional change of the present invention, and referring toapplication structural requirements and cost considerations, one or morethan one design method based on aforesaid operating principles is madein the following:

The fluid heat transfer device (100) is assembly combined with at leastone of the first fluid piping (101) and second fluid piping (102);

The fluid heat transfer device (100) is integrally combined with atleast one of the first fluid piping (101) and second fluid piping (102);

At least one of the first fluid piping (101) and second fluid piping(102) directly constitute the function of the fluid heat transfer device(100) to perform heat absorption or dissipation onto the passively heatdissipation and absorption receiving solid, colloidal, liquid or gaseousstate article or space (200) without installing the fluid heat transferdevice (100);

The structural relationships between bidirectional fluid pumping device(123), first fluid piping (101), and second fluid piping (102) are thatthey are separately installed or integrally combined;

The structural relationships between bidirectional fluid pumping device(123), first fluid piping (101), second fluid piping (102), and fluidheat transfer device (100) are that all or at least two of them areintegrally combined, or they are separately installed;

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the first fluid piping (101) and second fluid piping(102) are constituted by the piping being directly made from theintegrally combined internal structure of fluid heat transfer device(100);

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the three including first fluid piping (101), secondfluid piping (102) and fluid heat transfer device (100) are in assembledstructure;

In the applications of the fluid heat transfer device having multiplecounter flow circuits of temperature difference with periodic flowdirectional change of the present invention, the geometric shape of theapplication structure can be optionally made as needed by one or morethan one methods of the following:

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the fluid heat transfer device (100) being combinedwith first fluid piping (101) and second fluid piping (102) isconstituted by the structure body of a single plate, block or multi-finsshaped structure unit, or the structure unit assembled with fins, and itis constituted by at least one structure unit as needed;

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the three including fluid heat transfer device (100),first fluid piping (101) and second fluid piping (102) made of solid,colloidal, liquid or gaseous state thermal conductive material can bemade to various geometric shapes without changing principles;

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the first fluid piping (101) and second fluid piping(102) can be made to the common structure in various geometric shapeswithout changing principles.

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the thermal conducting fluid types and thermalconduction operating methods for applications are constituted by one ormore than one of the following to include:

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the thermal conducting fluid (110) is constituted bygaseous or liquid state, or gaseous to liquid state fluid, or liquid togaseous state fluid;

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the thermal conducting fluid (110) is pumped,evaporated, or transported by cold and hot natural convection to passthrough first fluid piping (101) and second fluid piping (102);

The fluid heat transfer device having multiple counter flow circuits oftemperature difference with periodic flow directional change of thepresent invention is through heat transfer functions such as naturalconvention driven by cold to hot fluids in temperature difference, orforcedly pumping the fluid to produce convection, radiation, or thermalconduction to release warming or cooling energy onto the passively heatdissipation or absorption receiving solid, colloidal, liquid or gaseousstate article or space (200) in fluid convection status; or it isthrough thermal conduction method to release warming or cooling energyonto the passively heat dissipation or absorption receiving solid,colloidal, liquid or gaseous state article or space (200);

For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the thermal conduction fluid (110) passing throughfirst fluid piping (101) and second fluid piping (102) is in closed loopcirculation or is released in effluence;

The periodic fluid direction-change operative control device (250) inaforesaid fluid heat transfer device having multiple counter flowcircuits of temperature difference with periodic flow directional changeof present invention is equipped with electric motor, or controllableengine power, or mechanical or electric power generated or convertedfrom other wind energy, thermal energy, temperature-difference energy,or solar energy for controlling various fluid pumps for driven, orcontrolling the operation timing of the fluid pumps or fluid valves,thereby changing the direction of the two circuits passing through thefluid heat transfer device (100) and further to operatively controlpartial or all regulations of rotational speed, flow rate, fluidpressure of various fluid pumps thereof.

The fluid heat transfer device having multiple counter flow circuits oftemperature difference with periodic flow directional change of presentinvention can be applied for various heat absorbing or dissipating, orcooling heat transfer application devices, such as engine cooling waterradiators, heat absorbing cooling energy discharge device using thermalconducting fluid, or heat dissipating warming energy discharge deviceusing thermal conducting fluid such as warm energy, heater or thermalenergy transfer devices for warming equipments, heating or cooling forceilings, walls or floors of the buildings, cooling of photovoltaicpanels, heating or cooling for electrical machine or power machineries,heat absorption and dissipation of various machine casings, heat pipestructures, structure casings, IC chips or semiconductor components,ventilation devices, or the heat absorption, heat dissipation or thermalenergy transfer of information, audio or image devices, or heatdissipation of various lamp or LED devices, or the heat absorption ofthe evaporator or heat dissipation or thermal energy transfer ofcondensers of air conditioning devices, or thermal energy transfer ofmechanical devices, or heat dissipation of frictional heat loss, or heatdissipation or thermal energy transfer of electric heater or otherelectric heating home appliances or cooking devices, or heat absorptionor thermal energy transfer of flame heating stoves or cooking devices,or heat absorption, heat dissipation or thermal energy transfer of earthlayer or water thermal energy, plant or housing building or buildingmaterial or building spaces, heat absorbing or dissipation of watertower, or heat absorption, heat dissipation or thermal energy transferof batteries of fuel cells, etc.;

As well as applied for thermal energy transfer in home appliances,industrial products, electronic products, electrical machines ormechanical devices, power generation equipments, buildings, airconditioning devices, industrial equipments or industrial manufacturingprocess.

1. A fluid heat transfer device having multiple counter flow circuits oftemperature difference with periodic flow directional change discloses adevice having multiple piping to pass through thermal conducting fluidsimultaneously in counter flow directions and performing periodic flowdirectional change simultaneously as the heat absorbing or dissipatingbody, which is parallel or quasi-parallel installed with the first fluidpiping of at least one circuit and the second fluid piping of at leastone circuit, wherein said first fluid piping and second fluid piping isconfigured to simultaneously transport the thermal conducting fluidsconstituted by gaseous or liquid state fluid, gaseous to liquid statefluid or liquid to gaseous state fluid of temperature difference topassively heat dissipation or absorption receiving article or space incounter flow directions to produce heat absorbing or dissipatingfunction onto the passively heat dissipation or absorption receivingarticle or space thereby forming a more uniform temperature distributionstatus on the passively heat dissipation or absorption receiving articleor space, and it is further through the periodic fluid direction-changeoperative control device to perform the periodic flow directional changecontrol onto the power source driven bidirectional fluid pumping deviceto simultaneously periodically change the flow directions of the fluidsinside the two counter flow piping while still maintaining thetransported fluid at mutual counter flow status.
 2. A fluid heattransfer device having multiple counter flow circuits of temperaturedifference with periodic flow directional change as claimed in claim 1,wherein it mainly comprises the following: The fluid heat transferdevice (100): It is the heat absorbing or dissipating structural bodymade of solid, colloidal, liquid or gaseous state thermal conductivematerial for receiving the thermal energy of thermal conducting fluid(110) including gaseous or liquid state fluid, gaseous to liquid statefluid, or liquid to gaseous state fluid inside first fluid piping (101)and second fluid piping (102) being combined with the structure so as toperform heat absorbing cooling energy discharge operating function orheat dissipating warming energy discharge operating function onto thepassively heat dissipation or absorption receiving solid, colloidal,liquid or gaseous state article or space (200), wherein the number ofthe fluid heat transfer device (100) can be one or more than one; Thefirst fluid piping (101), the second fluid piping (102): It is made ofgood thermal conductive material for reversely transporting the thermalconducting fluid (110) constituted by gaseous or liquid state liquid,gaseous to liquid state fluid, or liquid to gaseous state fluid fortransferring warming energy to fluid heat transfer device (100) beingmade of solid, colloidal, liquid or gaseous state thermal conductivematerial, wherein the first fluid piping (101) and second fluid piping(102) can be respectively constituted by one or more than one circuits;The fluid port (111) of aforesaid first fluid piping (101) and the fluidport (121) of aforesaid second fluid piping (102) are parallel connectedand further interconnected with the common fluid inlet/outlet port (131)for receiving the inlet/outlet flow of thermal conducting fluid (110)being pumped by bidirectional fluid pumping device (123) from the fluidsource; while the fluid port (112) of first fluid piping (101) and thefluid port (122) of second fluid piping (102) are parallel connected andfurther interconnected with common fluid inlet/outlet port (132) forreceiving the inlet/outlet flow of thermal conducting fluid (110) beingpumped by bidirectional fluid pumping device (123) from the fluidsource; Said first fluid piping (101) and second fluid piping (102)being in parallel or quasi-parallel arrangement are distributinglyinstalled on the fluid heat transfer device in plane or 3D shape,wherein it is characterized as that the first fluid piping port (111)and the second fluid piping port (122) are made neighboring to eachother at a position on the fluid heat transfer device (100), while thefirst fluid piping port (112) and the second fluid piping port (121) aremade neighboring to each other at another position on the fluid heattransfer device (100), wherein the first fluid piping (101) and secondfluid piping (102) being installed on the fluid heat transfer device(100) are made to respectively reversely transporting the thermalconducting fluid (110) in two flow circuits to commonly provide a moreuniform temperature difference distribution on the fluid heat transferdevice (100) so as to perform heat absorption or dissipation onto thepassively heat dissipation or absorption receiving solid, colloidal,liquid or gaseous state article or space (200); wherein its maincharacteristic is to further install the bidirectional fluid pumpingdevice (123) capable of pumping in positive and reverse flow directions,thereby through the power source (300) to drive the bidirectional fluidpumping device (123) by the periodic fluid direction-change operativecontrol device (250) to periodically change the pumping flow directionof the fluid while maintaining the two flow circuits in different flowdirections to pass through the first fluid piping (101) and the secondfluid piping (102) in counter flow directions; wherein: Thebidirectional fluid pumping device (123): The bidirectional fluidpumping device is constituted by the fluid pump capable of producingpositive pressure to push fluid, or producing negative pressure toattract fluid for pumping the gaseous or liquid state fluid, wherein thebidirectional fluid pumping device (123) is driven by the power of thepower source (300) and operatively controlled by the periodic fluiddirection-change operative control device (250) to pump the fluid indifferent flow directions, while the flow directions of the two fluidcircuits are periodically exchanged during the operation; The saidpumping includes: 1) to produce negative pressure for pumping fluids, or2) to produce positive pressure for attracting fluids, or 3) tosimultaneously produce negative pressure at the outlet port for pumpingfluid and positive pressure at inlet port for auxiliary pumping fluid;The power source (300): The device which provides the operating powersource, including AC or DC city power system or standalone electricpower supplying devices; The periodic fluid direction-change operativecontrol device (250): It is constituted by electromechanical components,solid state electronic components, or microprocessors and relatedsoftware and operative control interfaces to operatively control thebidirectional fluid pumping device (123) for periodically changing theflow directions of the two fluids passing through fluid heat transferdevice (100) in different flow directions thereby operativelycontrolling the temperature difference distribution status between thefluid and fluid heat transfer device (100); The timings for periodicfluid directional change are: 1) the pumping flow direction of thebidirectional fluid pumping device (123) is manually operativelycontrolled; or 2) the direction-change time period is set by theperiodic fluid direction-change operative control device (250) tooperatively control the pumping flow direction of bidirectional fluidpumping device (123); The bidirectional fluid pumping device (123) andthe fluid heat transfer device (100) of the fluid heat transfer devicehaving multiple counter flow circuits of temperature difference withperiodic flow directional change of the present invention areconstructed to an integral structure or in the separated structures. 3.A fluid heat transfer device having multiple counter flow circuits oftemperature difference with periodic flow directional change as claimedin claim 2, wherein the temperature detecting device (11) can be furtheroptionally installed at one or more than one places on the fluid heattransfer device (100) so as to provide the detected temperature value asa reference for operative control the periodic flow directional changetiming of the fluid, as well as the bidirectional fluid pumping device(123) capable of positive and reverse flow directional pumping can beinstalled, thereby being driven by power source (300) and operativelycontrolled by periodic fluid direction-change operative control device(250) to perform one or more than one functional operations of thefollowing, including: 1) the pumping flow direction of the fluid isperiodically changed, while the fluid of the two flow circuits aremaintained in different flow directions to pass through the first fluidpiping (101) and the second fluid piping (102) in counter flowdirections; or 2) the flow rate of the pumping fluid is furtheroperatively controlled; The timings for periodic fluid directionalchange are: 1) the pumping flow direction of the bidirectional fluidpumping device (123) is manually operatively controlled; or 2) thedirection-change time period is set by periodic fluid direction-changeoperative control device (250) according to set time period or set timeperiod by referring to temperature variation to operatively control thepumping flow direction of bidirectional fluid pumping device (123); or3) the temperature value detected by temperature detecting device (11)installed on the fluid heat transfer device (100) is used as thereference for operatively controlling the timing of periodic flowdirectional change.
 4. A fluid heat transfer device having multiplecounter flow circuits of temperature difference with periodic flowdirectional change as claimed in claim 2, wherein the embodiments of thebidirectional fluid pumping device (123) thereof are optionally selectedto include but not be limited to one or more than one of the followingstructures, including: 1) By adopting at least one fluid pump (124)capable of bidirectional fluid pumping to constitute the function ofbidirectional fluid pumping device (123), wherein it is installedbetween either one of the common fluid inlet/outlet ports of first fluidpiping (101) and second fluid piping (102) of the fluid heat transferdevice having multiple counter flow circuits of temperature differencewith periodic flow directional change of the present invention and thefluid source for operatively controlling the fluid pump (124) capable ofbidirectional fluid pumping for periodic positive or reverse directionalpumping to periodically exchange the flow directions of the fluids; 2)It is by adopting at least two fluid pumps (124) capable ofbidirectional fluid pumping to constitute the bidirectional fluidpumping device (123), which are configured to be respectively installedbetween the fluid source and any one of the common fluid inlet/outletports of first fluid piping (101) and second fluid piping (102) forsimultaneous auxiliary pumping in the same direction and for theoperation of simultaneous periodic pumping flow directional change; 3)It is by adopting at least two fluid pumps (124) (124′) capable ofbidirectional fluid pumping installed to the respective fluidinlet/outlet ports at one end of the first fluid piping (101) and secondfluid piping (102) of the fluid heat transfer device having multiplecounter flow circuits of temperature difference with periodic flowdirectional change to constitute the function of bidirectional fluidpumping device (123), wherein the bidirectional fluid pump (124) andbidirectional fluid pump (124′) for pumping the fluid from the commonfluid source being in positive and reverse flow directional relationshipare operatively controlled by the periodic fluid direction-changeoperative control device (250) to periodically alternatively exchangethe fluid flow directions; wherein the respective fluid inlet/outletports at the other end of aforesaid first fluid piping (101) and secondfluid piping (102) are further installed with at least two bidirectionalfluid pumps (124), (124′) being operatively controlled by the periodicfluid direction-change operative control device (250) to periodicallyalternatively exchange the fluid flow directions while bidirectionalfluid pumps of the same piping are driven in the same flow direction forauxiliary fluid pumping; 4) At least two unidirectional fluid pumps(120) (120′) in different flow directions being series connected toconstitute the function of bidirectional fluid pumping device (123) areseries connected between both or one of the two fluid inlet/outlet portsfor fluid input/output of the fluid heat transfer device having multiplecounter flow circuits of temperature difference with periodic flowdirectional change of the present invention, while pumping flowdirections of the unidirectional fluid pump (120) in positive flowdirection and unidirectional fluid pump (120′) in reverse flow directionare periodically alternatively exchanged, wherein if flow directions ofthe unidirectional fluid pumps (120) (120′) are irreversible, then eachunidirectional fluid pump is respectively parallel connected with anunidirectional valve (126) in the reverse flow direction; 5) At leastfour unidirectional fluid pumps, two of them are unidirectional fluidpumps (120) in positive flow directions and two of them areunidirectional fluid pumps (120′) in reverse flow directions, whereinone unidirectional fluid pump (120) in positive flow direction and oneunidirectional fluid pump (120′) in reverse flow direction being seriesconnected to constitute the function of bidirectional fluid pumpingdevice (123) are series connected in the middle section of first fluidpiping (101), wherein if flow directions of the unidirectional fluidpumps (120) (120′) are irreversible, then each unidirectional fluid pumpis respectively parallel connected with an unidirectional valve (126) inthe reverse flow direction; The other unidirectional fluid pump (120) inpositive flow direction and the other unidirectional fluid pump (120′)in reverse flow direction being series connected to constitute thefunction of bidirectional fluid pumping device (123) are seriesconnected in the middle section of second fluid piping (102), wherein ifflow directions of the unidirectional fluid pumps (120) (120′) areirreversible, then each unidirectional fluid pump is respectivelyparallel connected with an unidirectional valve (126) in the reverseflow direction, wherein the unidirectional fluid pump (120) in positiveflow direction and the unidirectional fluid pump (120′) in reverse flowdirection being installed on the first fluid piping and the second fluidpiping in different flow directions are operatively controlled to allowthe unidirectional fluid pumps being installed on first fluid piping(101) and second fluid piping (102) in different flow directions to bepumped in different flow directions and to periodically alternativelyexchange the pumping flow directions; 6) At least two unidirectionalfluid pumps (120) (120′) in different flow directions being parallelconnected to constitute the function of bidirectional fluid pumpingdevice (123) in parallel connection are installed to both or one of thetwo fluid inlet/outlet ports for fluid input/output of the fluid heattransfer device having multiple counter flow circuits of temperaturedifference with periodic flow directional change of present invention,while unidirectional fluid pumps in different flow directions areperiodically alternatively operatively controlled for periodic flowdirectional pumping, wherein if the structure of the unidirectionalfluid pump has no anti-reverse flow function, then each unidirectionalfluid pump is respectively forwardly series connected with anunidirectional valve (126) first and then parallel connected to avoidanti-reverse flow; 7) At least four unidirectional fluid pumps, two ofthem are unidirectional fluid pumps (120) in positive flow directionsand two of them are unidirectional fluid pumps (120′) in reverse flowdirections, wherein one unidirectional fluid pump (120) in positive flowdirection and one unidirectional fluid pump (120′) in reverse flowdirection being parallel connected to constitute the function ofbidirectional fluid pumping device (123) are series connected in themiddle section of first fluid piping (101), wherein if the structure ofthe unidirectional fluid pump has no anti-reverse flow function, theneach unidirectional fluid pump is respectively series connected with anunidirectional valve (126) and then parallel connected to avoid reverseflow; The other unidirectional fluid pump (120) in positive flowdirection and the other unidirectional fluid pump (120′) in reverse flowdirection being installed in the middle section of second fluid piping(102), wherein if the structure of the unidirectional fluid pump has noanti-reverse flow function, then each unidirectional fluid pump isrespectively series connected with an unidirectional valve (126) andthen further parallel connected to avoid reverse flow, wherein theunidirectional fluid pump (120) in positive flow direction and theunidirectional fluid pump (120′) in reverse flow direction beinginstalled on the first fluid piping (101) and second fluid piping (102)in different flow directions are operatively controlled to allow theunidirectional fluid pumps being installed on first fluid piping (101)and second fluid piping (102) in different flow directions to be pumpedin different flow directions and to periodically alternatively exchangethe pumping flow directions; 8) The bidirectional fluid pumping device(123) constituted by at least one unidirectional fluid pump (120) andfour fluid valves capable of switching operative control in bridge typeassembly including two fluid valves (129) and two fluid valves (129′)are installed to the fluid ports for external fluid input/output offluid heat transfer device having multiple counter flow circuits oftemperature difference with periodic flow directional change of thepresent invention, wherein during the operation of the unidirectionalfluid pump, the two fluid valves (129) are operatively controlled to beopened or closed, while the other two fluid valves (129′) areoperatively controlled to be closed or opened thereby exchanging thefluid flow directions periodically.
 5. A fluid heat transfer devicehaving multiple counter flow circuits of temperature difference withperiodic flow directional change as claimed in claim 1 or 2, wherein oneor more than one design method is made in the following: The fluid heattransfer device (100) is assembly combined with at least one of thefirst fluid piping (101) and second fluid piping (102); The fluid heattransfer device (100) is integrally combined with at least one of thefirst fluid piping (101) and second fluid piping (102); At least one ofthe first fluid piping (101) and second fluid piping (102) directlyconstitute the function of the fluid heat transfer device (100) toperform heat absorption or dissipation onto the passively heatdissipation and absorption receiving solid, colloidal, liquid or gaseousstate article or space (200) without installing the fluid heat transferdevice (100); The structural relationships between bidirectional fluidpumping device (123), first fluid piping (101), and second fluid piping(102) are that they are separately installed or integrally combined; Thestructural relationships between bidirectional fluid pumping device(123), first fluid piping (101), second fluid piping (102), and fluidheat transfer device (100) are that all or at least two of them areintegrally combined, or they are separately installed; For the fluidheat transfer device having multiple counter flow circuits oftemperature difference with periodic flow directional change of thepresent invention, the first fluid piping (101) and second fluid piping(102) are constituted by the piping being directly made from theintegrally combined internal structure of fluid heat transfer device(100); For the fluid heat transfer device having multiple counter flowcircuits of temperature difference with periodic flow directional changeof the present invention, the three including first fluid piping (101),second fluid piping (102) and fluid heat transfer device (100) are inassembled structure.
 6. A fluid heat transfer device having multiplecounter flow circuits of temperature difference with periodic flowdirectional change as claimed in claim 1 or 2, wherein in practicalpractices the geometric shape of the application structure can beoptionally made as needed by one or more than one methods of thefollowing: For the fluid heat transfer device having multiple counterflow circuits of temperature difference with periodic flow directionalchange of the present invention, the fluid heat transfer device (100)being combined with first fluid piping (101) and second fluid piping(102) is constituted by the structure body of a single plate, block ormulti-fins shaped structure unit, or the structure unit assembled withfins, and it is constituted by at least one structure unit as needed;For the fluid heat transfer device having multiple counter flow circuitsof temperature difference with periodic flow directional change of thepresent invention, the three including fluid heat transfer device (100),first fluid piping (101) and second fluid piping (102) made of solid,colloidal, liquid or gaseous state thermal conductive material can bemade to various geometric shapes without changing principles; For thefluid heat transfer device having multiple counter flow circuits oftemperature difference with periodic flow directional change of thepresent invention, the first fluid piping (101) and second fluid piping(102) can be made to the common structure in various geometric shapeswithout changing principles.
 7. A fluid heat transfer device havingmultiple counter flow circuits of temperature difference with periodicflow directional change as claimed in claim 1 or 2, wherein the thermalconducting fluid types and thermal conduction operating methods forapplications are constituted by one or more than one of the following toinclude: For the fluid heat transfer device having multiple counter flowcircuits of temperature difference with periodic flow directional changeof the present invention, the thermal conducting fluid (110) isconstituted by gaseous or liquid state, or gaseous to liquid statefluid, or liquid to gaseous state fluid; For the fluid heat transferdevice having multiple counter flow circuits of temperature differencewith periodic flow directional change of the present invention, thethermal conducting fluid (110) is pumped, evaporated, or transported bycold and hot natural convection to pass through first fluid piping (101)and second fluid piping (102); The fluid heat transfer device havingmultiple counter flow circuits of temperature difference with periodicflow directional change of the present invention is through heattransfer functions such as natural convention driven by cold to hotfluids in temperature difference, or forcedly pumping the fluid toproduce convection, radiation, or thermal conduction to release warmingor cooling energy onto the passively heat dissipation or absorptionreceiving solid, colloidal, liquid or gaseous state article or space(200) in fluid convection status; or it is through thermal conductionmethod to release warming or cooling energy onto the passively heatdissipation or absorption receiving solid, colloidal, liquid or gaseousstate article or space (200); For the fluid heat transfer device havingmultiple counter flow circuits of temperature difference with periodicflow directional change of the present invention, the thermal conductionfluid (110) passing through first fluid piping (101) and second fluidpiping (102) is in closed loop circulation or is released in effluence.8. A fluid heat transfer device having multiple counter flow circuits oftemperature difference with periodic flow directional change as claimedin claim 1 or 2, wherein the periodic fluid direction-change operativecontrol device (250) is equipped with electric motor, or controllableengine power, or mechanical or electric power generated or convertedfrom other wind energy, thermal energy, temperature-difference energy,or solar energy for controlling various fluid pumps for driven, orcontrolling the operation timing of the fluid pumps or fluid valves,thereby changing the direction of the two circuits passing through thefluid heat transfer device (100) and further to operatively controlpartial or all regulations of rotational speed, flow rate, fluidpressure of various fluid pumps thereof.
 9. A fluid heat transfer devicehaving multiple counter flow circuits of temperature difference withperiodic flow directional change as claimed in claim 1 or 2, wherein itis applied for various heat absorbing or dissipating, or cooling heattransfer application devices, such as engine cooling water radiators,heat absorbing cooling energy discharge device using thermal conductingfluid, or heat dissipating warming energy discharge device using thermalconducting fluid such as warm energy, heater or thermal energy transferdevices for warming equipments, heating or cooling for ceilings, wallsor floors of the buildings, cooling of photovoltaic panels, heating orcooling for electrical machine or power machineries, heat absorption anddissipation of various machine casings, heat pipe structures, structurecasings, IC chips or semiconductor components, ventilation devices, orthe heat absorption, heat dissipation or thermal energy transfer ofinformation, audio or image devices, or heat dissipation of various lampor LED devices, or the heat absorption of the evaporator or heatdissipation or thermal energy transfer of condensers of air conditioningdevices, or thermal energy transfer of mechanical devices, or heatdissipation of frictional heat loss, or heat dissipation or thermalenergy transfer of electric heater or other electric heating homeappliances or cooking devices, or heat absorption or thermal energytransfer of flame heating stoves or cooking devices, or heat absorption,heat dissipation or thermal energy transfer of earth layer or waterthermal energy, plant or housing building or building material orbuilding spaces, heat absorbing or dissipation of water tower, or heatabsorption, heat dissipation or thermal energy transfer of batteries offuel cells.
 10. A fluid heat transfer device having multiple counterflow circuits of temperature difference with periodic flow directionalchange as claimed in claim 1 or 2, wherein it is applied for thermalenergy transfer in home appliances, industrial products, electronicproducts, electrical machines or mechanical devices, power generationequipments, buildings, air conditioning devices, industrial equipmentsor industrial manufacturing process.